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030b452b8d
this is actually rather ugly, and would get even uglier if we ever want to support further feature test macros. at some point i may factor the bits headers into separate files for C base, POSIX base, and nonstandard extensions (the only distinctions that seem to matter now) and then the logic for which to include can go in the main header rather than being duplicated for each arch. the downside of this is that it would result in more files having to be opened during compilation, so as long as the ugliness does not grow, i'm inclined to leave it alone for now.
81 lines
1.8 KiB
C
81 lines
1.8 KiB
C
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
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|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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struct __fpstate {
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unsigned long __x[4];
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unsigned char __y[384];
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unsigned long __z[12];
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};
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typedef struct {
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unsigned long __gregs[23];
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void *__fpregs;
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unsigned long __reserved1[8];
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} mcontext_t;
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typedef struct __ucontext {
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unsigned long uc_flags;
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struct __ucontext *uc_link;
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stack_t uc_stack;
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mcontext_t uc_mcontext;
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sigset_t uc_sigmask;
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struct __fpstate __fpregs_mem;
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} ucontext_t;
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#define SA_NOCLDSTOP 1
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#define SA_NOCLDWAIT 2
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#define SA_SIGINFO 4
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#define SA_ONSTACK 0x08000000
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#define SA_RESTART 0x10000000
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#define SA_NODEFER 0x40000000
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#define SA_RESETHAND 0x80000000
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#define SA_RESTORER 0x04000000
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#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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struct sigcontext {
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unsigned long r8, r9, r10, r11, r12, r13, r14, r15;
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unsigned long rdi, rsi, rbp, rbx, rdx, rax, rcx, rsp, rip, eflags;
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unsigned short cs, gs, fs, __pad0;
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unsigned long err, trapno, oldmask, cr2;
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struct __fpstate *fpstate;
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unsigned long __reserved1[8];
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};
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#define NSIG 64
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#endif
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#endif
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#define SIGHUP 1
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#define SIGINT 2
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#define SIGQUIT 3
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#define SIGILL 4
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#define SIGTRAP 5
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#define SIGABRT 6
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#define SIGBUS 7
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#define SIGFPE 8
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#define SIGKILL 9
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#define SIGUSR1 10
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#define SIGSEGV 11
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#define SIGUSR2 12
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#define SIGPIPE 13
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#define SIGALRM 14
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#define SIGTERM 15
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#define SIGSTKFLT 16
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#define SIGCHLD 17
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#define SIGCONT 18
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#define SIGSTOP 19
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#define SIGTSTP 20
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#define SIGTTIN 21
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#define SIGTTOU 22
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#define SIGURG 23
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#define SIGXCPU 24
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#define SIGXFSZ 25
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#define SIGVTALRM 26
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#define SIGPROF 27
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#define SIGWINCH 28
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#define SIGIO 29
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#define SIGPOLL 29
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#define SIGPWR 30
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#define SIGSYS 31
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#define SIGUNUSED SIGSYS
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